/*reset */
*,
::before,
::after {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -webkit-tap-highlight-color:transparent ;
}
body{
    font-size: 14px;
    color: #828;
}
ul,ol{
    list-style: none;
}
a{
    text-decoration: none;
    color: #828;
}
input,textarea{
    outline: none;
    border: none;
    resize: none;
    -webkit-appearance: none;
}

/*common */
.f_left{
    float: left;
}
.f_right{
    float: right;
}
.clear_fix::before,
.clear_fix::after{
    content: '';
    display: block;
    height: 0;
    line-height: 0;
    visibility: hidden;
    clear: both;
}
.m_l10{
    margin-left: 10px;
}
.m_r10{
    margin-right: 10px;
}